acrn-kernel/drivers/mmc/mmc_queue.h

33 lines
820 B
C

#ifndef MMC_QUEUE_H
#define MMC_QUEUE_H
struct request;
struct task_struct;
struct mmc_queue {
struct mmc_card *card;
struct task_struct *thread;
struct semaphore thread_sem;
unsigned int flags;
struct request *req;
int (*prep_fn)(struct mmc_queue *, struct request *);
int (*issue_fn)(struct mmc_queue *, struct request *);
void *data;
struct request_queue *queue;
struct scatterlist *sg;
};
struct mmc_io_request {
struct request *rq;
int num;
struct mmc_command selcmd; /* mmc_queue private */
struct mmc_command cmd[4]; /* max 4 commands */
};
extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *);
extern void mmc_cleanup_queue(struct mmc_queue *);
extern void mmc_queue_suspend(struct mmc_queue *);
extern void mmc_queue_resume(struct mmc_queue *);
#endif